2021 MERCEDES-BENZ GLS SUV oil change

cialist
workshop. Adapt your driving style tothe
ch anged braking characteristics.
* N
NOOTE
TE Damage caused bydriving over
obstacles The
vehicle can be damaged by:
R driving onto high kerbs or unpa vedro ads.
R quickly driving over obstacles such as
ke rbs, speed bumps or po tholes.
R heavy objects hitting the underbody or
ch assis components. #
Do not drive over obstacles that could
damage theve hicle. #
Check theve hicle regula rly fo r damage
during o.- road driving. #
Adjust theve hicle speed tosuit thero ad
sur face conditions. #
Ifth ere is damage, consult a quali/ed
specialist workshop immediatel y. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due tonon-obser vance of prohibi-
tion signs Environmental pr
otection has priority. Treat
nature with respect. #
Be sure toobser veprohibition signs. Chec
Chec
klis
klist beft bef or
ore dr
e dr iving
iving o.-r
o.-road
oad
Check thefo llowing points before driving o.- road:
R Fuel le vel
R V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: AdBlue ®
level
R Engine oil le vel: /ll engine oil tothe maximum
le ve lto ensure full gradeability (/ page 367)
R Tyre-change tool kit and spare wheel
R Tyres and wheels
% Further information about special all- terrain
tyres forre tro/tting can be ob tained from a
qu ali/ed specialist workshop. O.-r
O.-r
oad
oaddr
driving
iving
Re ad this section before driving your vehicle o.-
ro ad. Practise bydriving over more gentle o.-road
te rrain /rst.
R Obser vethe no tes on the cross-country ABS
(/ page 231).
R If necessar y,select theF orG drive
prog ram (vehicles with O.-road pac kage)
before driving o.- road (/ page 207).
R Before driving o.-road, shiT the transfer case
to the LLO
O W RAN
W RAN GE
GEo.-road gear (vehicles with
O.-road pac kage ) (/ page 214).
R Select a vehicle le vel suitable for o.- road ter-
ra in (/ page 269). Toavo id damaging the
ve hicle, make sure there is alw ays su1cient
gr ound clearance.
R Alwayske ep the engine running and in gear
when driving on downhill gradients and slopes.
Obser vethe no tes on driving in moun tainous
te rrain.
R Do not drive on unkn ownte rrain that is not
easily visible and st ayon mar kedro utes. Driving and parking
199
199

R
Frequent operation in mountainous terrain or
on poor road sur faces
R When the engine is oTen leT idling for long
periods
R Operation in particular lydusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air /lter, air /lter, engine oil and oil /lter,
fo rex ample, changed more frequentl y.The tyres
must be checked more frequently if theve hicle is
operated under increased loads. Further informa-
tion can be obtained at a quali/ed specialist work-
shop. Batt Batt
er
ery disconnection per
y disconnection per iods
iodsThe AS
SYST PLUS service inter val display can cal-
culate the service due date only when the battery
is connected. #
Display and no tedown the service due date
on the inst rument display before disconnect-
ing the battery (/ page 364). Engine com
Engine com
par
partment
tment Opening and closing t
Opening and closing t
he bonnet
he bonnet &
W
WARNING
ARNING Risk of accident due todriving
with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine
bonnet is loc ked. &
W
WARNING
ARNING Risk of accident and inju ry
when opening and closing the bonnet
The bonnet may suddenly drop into the end
position.
There is a risk of injury for an yone in the
engine bonnet's range of mo vement. #
Do not open or close the bonnet if there
is a person in the bonnet's range of
mo vement. &
W WARNING
ARNING Risk of burns when opening the
bonnet
If yo u open the bonnet in theev ent of an over-
heated engine or /re in the engine compart-
ment, thefo llowing situations may occur:
R You may come into contact with hot gases.
R You may come into contact with other
escaping hot operating 0uids. #
Before opening the bonnet, allow the
engine tocool down. #
Intheev ent of a /re in the engine com-
partment, keep the bonnet closed and
call the /re service. &
W
WARNING
ARNING Risk of injury due tomoving
parts
Components in the engine compartment may
continue torun or start unexpectedly even
when the drive system is switched o..
Obser vethefo llowing if you must open the
bonnet: Maintenance and care
365
365

#
Drain o. any excess engine oil that has been
added. Todo so, consult a quali/ed specialist
wo rkshop.
R For engine oil level turn on ignition #
Switch on theve hicle tocheck the engine oil
le ve l.
R Engine oil level System inoperative: The oil
le ve l sensor is defective or not connected. #
Consult a quali/ed specialist workshop.
R Engine oil level System currently unavail. #
Close the bonnet.
T
T opping up engine oil
opping up engine oil &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of /re and injury from
engine oil
If engine oil comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite. #
Make sure that no engine oil is spilled
next tothe /ller opening. #
Allow the engine tocool o. and thor-
oughly clean the engine oil from compo-
nent parts before starting theve hicle. *
N NOOTE
TE Engine damage caused byan inco r-
re ct oil /lter, incor rect oil or additi ves #
Do not use engine oils or oil /lters which
do not cor respond tothe speci/cations
ex plicitly prescribed forth e service inter-
va ls. #
Follow the inst ructions on the service
inter val display forch anging the engine
oil and obser vethe prescribed change
inter vals. #
Do not use additives. *
N NOOTE
TE Damage caused bytopping up too
much engine oil To
o much engine oil can damage the engine or
th e catalytic con verter. #
Have excess engine oil remo ved at a
qu ali/ed specialist workshop. %
Depending on driving st yle, theve hicle con-
sumes up to0.8 litre of oil per 1000 km. The
oil consum ption may be higher than this when
th eve hicle is new or if you frequently drive at
high engine speeds.
% Depending on the engine, the cap may be
installed in the engine compartment in di.er-
ent locations. 368
368
Maintenance and care

cleane
r;neither should you use polishes
or wa xes. Otherwise you may damage
th e /nish. R
Clean with a damp clo thand 1% soapy water
solution and then wipe with a dry clo th.
R For heavy soiling: Use a cleaner recommen-
ded for Mercedes-Benz.
R Leather care: Use a leather care agent that
has been recommended for Mercedes-Benz.
R Do not allow the leather tobecome too damp.
R Do not use a micro/bre clo th.
% Leather is a natural product. It has natural
surface properties, such as di.erences in
st ru cture, mar kscaused bygrow thand injury
or subtle colour di.erences. These sur face
properties are characteristics of leather and
not material faults. What's more, leather is
subject toa natural ageing process during
which the sur face properties change.
Genuine leat
Genuine leat her seat cov her seat covers
ers
R Clean with a damp clo thand then wipe with a
dry clo th. R
Leather care: Use a leather care agent that
has been recommended for Mercedes-Benz.
R Do not allow the leather tobecome too damp.
R Do not use a micro/bre clo th.
% Regular cleaning and care ofthe leather
re duces soiling, wear mar ksand ageing dam-
age and thus signi/cant lyex tends its life
span. Clo thing that can lea vestains, e.g.
jeans, can le ave discolouration on the leather.
DIN
DINAMIC AMIC A seat cov
A seat cov ers
ers
R Clean with a damp clo th.
R Do not use a micro/bre clo th.
Imit
Imit ation leat
ation leat her seat cov
her seat cov ers
ers
R Clean with a damp clo thand 1% soapy water.
R Do not use a micro/bre clo th.
F
F abr
abr ic seat cov
ic seat cov ers
ers
R Clean with a damp micro/bre clo thand 1%
soapy water and allow todry. Maintenance and ca
re
379
379

Inter
changing the front and rear wheels if the
wheels or tyres ha vedi.erent dimensions can
re nder thege neral ope rating permit in valid.
The wear patterns on the front and rear wheels
di.er:
R front wheels wear more on the tyre shoulder
R rear wheels wear more in the centre of the
tyre
Do not drive with tyres that ha vetoo little tread
dep th. This signi/cantly reduces traction on wet
ro ads (aquaplaning).
On vehicles with the same front and rear wheel
size, you can inter change the wheels every
5,000 to10,000 km, depending on thewe ar.
Ensu rethe direction of rotation is maintained for
th e wheels.
Obser vethe inst ructions and saf ety no tes on
"Changing a wheel" when doing so (/ page 409). N
No
ot
tes on st
es on st or
oring wheels
ing wheels When storing wheels, obser
vethefo llowing no tes:
R ATer removing wheels, store them in a cool,
dry and preferably dark place.
R Protect the tyres from contact with oil, grease
or fuel. Ov
Ov
er
ervie
vie w of t
w of t he tyr
he tyr e-c
e-chang
hang e t
e tool kit
ool kit Apart from some count
ry-speci/c variants, vehi-
cles are not equipped with a tyre-change tool kit.
Fo r more information on which tools are requ ired
and appr ovedto per form a wheel change on your
ve hicle, consult a quali/ed specialist workshop.
Re quired tyre-changing tools may include, for
ex ample:
R Jack
R Chock
R Wheel wrench
% The jack weighs appr oximately 3.4 kg.
The maximum load capacity of the jack can
be found on the stic ker a1xed tothe jac k. The jack is maintenance-free. If
there is a
malfunction, please contact a quali/ed spe-
cialist workshop.
Ty re-change tool kit 1is located under the load
compartment 0oor.
% Depending on the model, the tyre change tool
kit may be located in other positions under
th e load compartment 0oor. The tyre-change
tool kit includes thefo llowing:
R Jack
R Wheel wrench
R Wheel studs 408
408
Wheels and tyres

Ad
Blue ®
residues cr ystallise aTer a period of
time, and contaminate the sur faces with which
th ey come into contact. Clean the dirty sur faces
with water as soon as possible.
When you open theAd Blue ®
tank, small amounts
of ammonia vapour may escape. Do not inhale
any ammonia vapours that may be released. Only
/ll theAd Blue ®
tank in well-ventilated areas.
A A dBlue dBlue ®
®
capacity
capacity
Tot
Tot al capacity of A
al capacity of A dBlue
dBlue®
®
t
tank
ank Model
Tot
Mode lT otal capacity
al capacity
All model s3 1.6 litresA A
dBlue dBlue ®
®
consump
consump tion
tion
The average AdBlue ®
consu mption is between 1%
and 5% of fuel consum ption. Like fuel consump-
tion, AdBlue ®
consu mption is high lydependent
upon driving style and operating conditions. For
th is reason, your vehicle's actual consu mption /g-
ures under da y-to -day operating conditions may
di.er from the consum ption /gures calculate d.
The frequency at which you will ha veto to p up Ad
Blue ®
will also vary. Ha vetheAd Blue ®
supply
ch ecked at a quali/ed specialist workshop before
making jou rney s outside of Europe. Before a lon-
ge r st ayoutside of Europe, consult a quali/ed
specialist workshop.
A
A dBlue
dBlue ®
®
r
rang
ang e and
e and /ll
/lllev
level
el
Yo u can ha vetheAd Blue ®
range and le vel dis-
pla yed in the driver's displa y.
% The AdBlue ®
range sh own depends strongly
on the driving style and operating conditions.
The actual range can therefore deviate from
th era nge cur rently displa yed in the driver's
displa y.
The information supplied in the operator's manual
re ga rding there ser vequantity at the /r stwa rning
in the driver's display and on the minimum top-up
qu antity when theAd Blue ®
tank is em pty is also
to be understood as guide values. Engine oil
Engine oil
N
No
ot
tes on engine oil
es on engine oil
Obser vethe no tes on operating 0uids
(/ page 425). *
N
NOOTE
TE Engine damage caused byan inco r-
re ct oil /lter, incor rect oil or additi ves #
Do not use engine oils or oil /lters other
th an those which meet the speci/cations
necessary forth e prescribed service
inter vals. #
Do not alter the engine oil or oil /lter in
order toachie velonger change inter vals
th an prescribed. #
Do not use additives. #
Have the engine oil changed aTer the
prescribed inter vals. 430
430
Te
ch nical data

Mercedes-Benz
recommends having the oil
ch anged at a quali/ed specialist workshop.
Only use engine oils appr ovedfo ryo ur vehicle by
Mercedes-Benz.
P
P e etr
tr ol engines:
ol engines: for cer tain countries, di.erent
engine oils can be used in conjunction with
re duced maintenance inter vals. Further informa-
tion on di.erent engine oils can be obtained at a
qu ali/ed specialist workshop.
Quality and capacity of engine oil
Quality and capacity of engine oil
Missing values werenot available at the time of
going topress.
Engine oil
Engine oil speci/cations
speci/cations (pe
(petr
trol engines)
ol engines) Model
Model
MB-Fr
MB-Freig
eigabe or MB-
abe or MB-
Approv
Approv al
al
GLS 450 4MATIC 229.51, 229.52, 229.61, 229.71
229.72*
GLS 580 4MATIC 229.52
229.61* Engine oil
Engine oil
speci/cations
speci/cations (Mer
(Mercedes‑Macedes‑Ma ybac
ybach)
h) Mer
Mer
cedes‑Ma
cedes‑Ma ybach
ybach MB-Fr
MB-Freig
eigabe or MB-
abe or MB-
Approv
Approv al
al
Mercedes-Maybach
GLS 480
Mercedes-Maybach
GLS 600 4MATIC 229.5 Engine oil Engine oil
speci/cations speci/cations (diesel engines)
(diesel engines) Model Model
MB-Fr MB-Freig
eigabe or MB-
abe or MB-
Approv
Approv al
al
All models 229.52
229.61* *
re commended for lo west possible fuel con-
su mp tion (lo westSA E viscosity class in each
case; obser vepossible restrictions of the
appr ovedSA E viscosity classes)
To achie vethe lo west possible fuel consum ption,
it is recommended touse the engine oil speci/ca-
tions mar ked in theta ble forth e lo westSA E vis- cosity class.
Possible restrictions of the appr oved
SA E viscosity classes must be obser ved.
% Ifth e engine oils listed in theta ble are not
av ailable, you may add a maximum of 1.0 litre
of thefo llowing engine oils once onl y.
Engine oils for one-time /lling only in exceptional
cases:
R P Pe
etr
tr ol engines:
ol engines:
- GL
GLS 450 4MA
S 450 4MA TIC:
TIC:MB-F reigabe or MB-
Appro val 229.31 or ACEA C3
- GL
GLS 580 4MA
S 580 4MA TIC:
TIC:MB-F reigabe or MB-
Appro val 229.51 or ACEA C3
- Mer
Mer cedes-Ma
cedes-Ma ybac
ybach GL
h GLS 600 4MA
S 600 4MA TIC:
TIC:MB-
Fr eigabe or MB-Appr oval 229.3 or
AC EA A3/B4
- Mer
Mer cedes-Ma
cedes-Ma ybac
ybach GL
h GL S 480:
S 480: MB-Freigabe
or MB-Appr oval we renot available at the
time of going topress.
R Diesel engines:
Diesel engines: MB-Freigabe or MB-Appr oval
229.51 or ACEA C3
The following values referto an oil change, includ-
ing the oil /lter. Te
ch nical data
431
431

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Use the electric parking brake tosecure theve hicle against rollingaway. #
Consult a quali/ed specialist workshop.
LOW RANGE Stop Apply
parking brake *T
he transfer case is malfunctioning. #
Stop theve hicle in accordance with the tra1c conditions. #
Apply the electric parking brake. #
Where necessar y,also secure theve hicle against rolling away. #
Engage park position j.
LOW RANGE Max. speed
10 km/h *T
he maximum speed of 10 km/h forth ege ar change has been exceeded. #
Drive more slo wly. #
Repeat thege ar change.
LOW RANGE Max. speed
40 km/h *T
he maximum speed of 40 km/h forth ege ar change has been exceeded. #
Drive more slo wly. #
Todeactivate thege ar change, press the LLO O W RAN
W RAN GE
GEbutton again. #
Repeat thege ar change.
Gearbox protection Limit
30 km/h Switch off LOW
RANGE *T
he oil temp erature in the transfer case is too high. #
Inthe on-road position, shiT toHIGH RANGE. Display messa
ges and warning/indicator lamps
459 459